RFR: JDK-8280503: Use allStatic.hpp instead of allocation.hpp where possible [v2]

[Thomas Stuefe]

On Mon, 24 Jan 2022 05:54:18 GMT, Ioi Lam <iklam at openjdk.org> wrote:

> > > BTW, I have some scripts for checking how often a header file is included. See https://github.com/iklam/tools/tree/main/headers
> > 
> > 
> > Does your tool tell you include chokepoints, maybe its just one central include pulling in allocation.hpp?
> 
> The whoincludes.tcl script can do that. Unfortunately it tells us that many popular header (such as ostream.hpp that was itself included 976 times) include allocations.hpp.
> 
> ```
> src/hotspot$ tclsh whoincludes.tcl allocation.hpp| head -20
> scanning    997 allocation.hpp
>    2 found    976 ostream.hpp
>    3 found    960 exceptions.hpp
>    4 found    938 atomic.hpp
>    5 found    891 memRegion.hpp
>    6 found    877 iterator.hpp
>    7 found    871 arena.hpp
>    8 found    864 mutex.hpp
>    9 found    860 growableArray.hpp
>   10 found    855 mutexLocker.hpp
>   11 found    855 autoRestore.hpp
>   12 found    848 padded.hpp
>   13 found    841 linkedlist.hpp
>   14 found    835 jfrAllocation.hpp
>   15 found    832 resourceHash.hpp
>   16 found    829 gcUtil.hpp
>   17 found    825 threadHeapSampler.hpp
>   18 found    825 thread.hpp
>   19 found    825 filterQueue.hpp
>   20 found    679 symbol.hpp
> ```

That's a useful script. Well, maybe we can break this up a bit more.

BTW, can you send me your configure line for your breaking builds? I'd like to reproduce them locally.

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PR: https://git.openjdk.java.net/jdk/pull/7188